Audi Workshop Service and Repair Manuals

Removing and installing coolant pipe (rear) Special tools and workshop equipment required

t  Hose clip pliers -VAS 6362-

Removing –  Remove engine cover panel -arrows-. –  Drain coolant → Chapter. –  Remove plenum chamber partition panel → Rep. gr.50.

–  Remove air cleaner housing → Rep. gr.23.

–  Unplug electrical connector -3- for pressure differential sender -G505-. –  Remove bolt -2- and move hoses -1- clear at bracket. –  Move pressure differential sender -G505- to rear.

–  Move clear electrical wiring harness -arrow-. –  Remove nuts -1- and detach bracket -2-.

–  Remove bolt and nut -arrows-. –  Release hose clips -1, 2, 3- and disconnect coolant hoses from coolant pipe (rear right). –  Press coolant pipe (rear right) to one side.

–  Unplug electrical connector -3-. –  Remove bolt -1-. –  Release hose clips -arrows- and disconnect coolant hoses from rear coolant pipe.   Note Disregard -item 2-. Installing Installation is carried out in the reverse order; note the following: l  Tightening torque → Chapter „Coolant pipes, coolant temperature senders, coolant circulation pump - exploded view“   Note Secure all hose connections with the correct type of hose clips (same as original equipment) → Electronic parts catalogue. –  Install pressure differential sender -G505- → Rep. gr.23. –  Install air cleaner housing → Rep. gr.23. –  Install plenum chamber partition panel → Rep. gr.50. –  Fill up with coolant → Anchor.